/*
 * Copyright (C) 2015 - 2020, IBEROXARXA SERVICIOS INTEGRALES, S.L.
 * Copyright (C) 2015 - 2020, Jaume Olivé Petrus (jolive@whitecatboard.org)
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *     * The WHITECAT logotype cannot be changed, you can remove it, but you
 *       cannot change it in any way. The WHITECAT logotype is:
 *
 *          /\       /\
 *         /  \_____/  \
 *        /_____________\
 *        W H I T E C A T
 *
 *     * Redistributions in binary form must retain all copyright notices printed
 *       to any local or remote output device. This include any reference to
 *       Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
 *       appear in the future.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Lua RTOS rename wrapper
 *
 */

#include "esp_attr.h"

#include <limits.h>
#include <reent.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>

#include <sys/mount.h>

extern int __real__rename_r(struct _reent *r, const char *src, const char *dst);

int __wrap__rename_r(struct _reent *r, const char *src, const char *dst) {
    char *ppath_src;
    char *ppath_dst;
    int res;

    if (!src) {
        errno = EFAULT;
        return -1;
    }

    if (!*src) {
        errno = ENOENT;
        return -1;
    }

    if (!dst) {
        errno = EFAULT;
        return -1;
    }

    if (!*dst) {
        errno = ENOENT;
        return -1;
    }

    ppath_src = mount_resolve_to_physical(src);
    if (!ppath_src) {
        return -1;
    }

    ppath_dst = mount_resolve_to_physical(dst);
    if (!ppath_dst) {
        free(ppath_src);
        return -1;
    }

    // If src and dst file are the same, do noting and exit
    if (strcmp(ppath_src, ppath_dst) == 0) {
        free(ppath_src);
        free(ppath_dst);

        return 0;
    }

    res = __real__rename_r(r, ppath_src, ppath_dst);

    free(ppath_src);
    free(ppath_dst);

    return res;
}
